gas/as.h

   1 /* as.h - global header file
   2    Copyright (C) 1987-2024 Free Software Foundation, Inc.
   3
   4    This file is part of GAS, the GNU Assembler.
   5
   6    GAS is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3, or (at your option)
   9    any later version.
  10
  11    GAS is distributed in the hope that it will be useful, but WITHOUT
  12    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  14    License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with GAS; see the file COPYING.  If not, write to the Free
  18    Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
  19    02110-1301, USA.  */
  20
  21 #ifndef GAS
  22 #define GAS 1
  23 /* I think this stuff is largely out of date.  xoxorich.
  24
  25    CAPITALISED names are #defined.
  26    "lowercaseH" is #defined if "lowercase.h" has been #include-d.
  27    "lowercaseT" is a typedef of "lowercase" objects.
  28    "lowercaseP" is type "pointer to object of type 'lowercase'".
  29    "lowercaseS" is typedef struct ... lowercaseS.
  30
  31    #define DEBUG to enable all the "know" assertion tests.
  32    #define SUSPECT when debugging hash code.
  33    #define COMMON as "extern" for all modules except one, where you #define
  34         COMMON as "".
  35    If TEST is #defined, then we are testing a module: #define COMMON as "".  */
  36
  37 #include "config.h"
  38
  39 /* Now, tend to the rest of the configuration.  */
  40
  41 /* System include files first...  */
  42 #include <stdio.h>
  43 #include <string.h>
  44 #include <stdlib.h>
  45
  46 #ifdef HAVE_UNISTD_H
  47 #include <unistd.h>
  48 #endif
  49 #ifdef HAVE_SYS_TYPES_H
  50 /* for size_t, pid_t */
  51 #include <sys/types.h>
  52 #endif
  53
  54 #include <errno.h>
  55 #include <stdarg.h>
  56
  57 #include "getopt.h"
  58 /* The first getopt value for machine-independent long options.
  59    150 isn't special; it's just an arbitrary non-ASCII char value.  */
  60 #define OPTION_STD_BASE 150
  61 /* The first getopt value for machine-dependent long options.
  62    290 gives the standard options room to grow.  */
  63 #define OPTION_MD_BASE  290
  64
  65 #ifdef DEBUG
  66 #undef NDEBUG
  67 #endif
  68 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
  69 #define __PRETTY_FUNCTION__  ((char *) NULL)
  70 #endif
  71 #define gas_assert(P)   ((void) ((P) ? 0 : (abort (), 0)))
  72 #undef abort
  73 #define abort()         as_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
  74
  75 /* Now GNU header files...  */
  76 #include "ansidecl.h"
  77 #include "bfd.h"
  78 #include "libiberty.h"
  79
  80 /* Other stuff from config.h.  */
  81 #ifdef NEED_DECLARATION_ENVIRON
  82 extern char **environ;
  83 #endif
  84 #ifdef NEED_DECLARATION_FFS
  85 extern int ffs (int);
  86 #endif
  87
  88 #if !HAVE_DECL_MEMPCPY
  89 void *mempcpy(void *, const void *, size_t);
  90 #endif
  91
  92 #ifndef __LINE__
  93 #define __LINE__ "unknown"
  94 #endif /* __LINE__ */
  95
  96 #ifndef __FILE__
  97 #define __FILE__ "unknown"
  98 #endif /* __FILE__ */
  99
 100 #ifndef FOPEN_WB
 101 #ifdef USE_BINARY_FOPEN
 102 #include "fopen-bin.h"
 103 #else
 104 #include "fopen-same.h"
 105 #endif
 106 #endif
 107
 108 #ifndef EXIT_SUCCESS
 109 #define EXIT_SUCCESS 0
 110 #define EXIT_FAILURE 1
 111 #endif
 112
 113 #ifndef SEEK_SET
 114 #define SEEK_SET 0
 115 #endif
 116
 117 #define obstack_chunk_alloc xmalloc
 118 #define obstack_chunk_free xfree
 119
 120 #define xfree free
 121
 122 #if GCC_VERSION >= 7000
 123 #define gas_mul_overflow(a, b, res) __builtin_mul_overflow (a, b, res)
 124 #else
 125 /* Assumes unsigned values.  Careful!  Args evaluated multiple times.  */
 126 #define gas_mul_overflow(a, b, res) \
 127   ((*res) = (a), (*res) *= (b), (b) != 0 && (*res) / (b) != (a))
 128 #endif
 129
 130 #include "asintl.h"
 131
 132 #define BAD_CASE(val)                                                       \
 133   {                                                                         \
 134     as_fatal (_("Case value %ld unexpected at line %d of file \"%s\"\n"),   \
 135               (long) val, __LINE__, __FILE__);                              \
 136   }
 137 \f
 138 #include "flonum.h"
 139
 140 /* These are assembler-wide concepts */
 141
 142 extern bfd *stdoutput;
 143 typedef bfd_vma addressT;
 144 typedef bfd_signed_vma offsetT;
 145
 146 /* Type of symbol value, etc.  For use in prototypes.  */
 147 typedef addressT valueT;
 148
 149 #ifndef COMMON
 150 #ifdef TEST
 151 #define COMMON                  /* Declare our COMMONs storage here.  */
 152 #else
 153 #define COMMON extern           /* Our commons live elsewhere.  */
 154 #endif
 155 #endif
 156 /* COMMON now defined */
 157
 158 #ifndef ENABLE_CHECKING
 159 #define ENABLE_CHECKING 0
 160 #endif
 161
 162 #if ENABLE_CHECKING || defined (DEBUG)
 163 #ifndef know
 164 #define know(p) gas_assert(p)   /* Verify our assumptions!  */
 165 #endif /* not yet defined */
 166 #else
 167 #define know(p) do {} while (0) /* know() checks are no-op.ed  */
 168 #endif
 169 \f
 170 /* input_scrub.c */
 171
 172 /* Supplies sanitised buffers to read.c.
 173    Also understands printing line-number part of error messages.  */
 174 \f
 175 /* subsegs.c     Sub-segments. Also, segment(=expression type)s.*/
 176
 177 typedef asection *segT;
 178 #define SEG_NORMAL(SEG)         (   (SEG) != absolute_section   \
 179                                  && (SEG) != undefined_section  \
 180                                  && (SEG) != reg_section        \
 181                                  && (SEG) != expr_section)
 182 typedef int subsegT;
 183
 184 /* What subseg we are accessing now?  */
 185 COMMON subsegT now_subseg;
 186
 187 /* Segment our instructions emit to.  */
 188 COMMON segT now_seg;
 189
 190 #define segment_name(SEG)       bfd_section_name (SEG)
 191
 192 extern segT reg_section, expr_section;
 193 /* Shouldn't these be eliminated someday?  */
 194 extern segT text_section, data_section, bss_section;
 195 #define absolute_section        bfd_abs_section_ptr
 196 #define undefined_section       bfd_und_section_ptr
 197
 198 enum _relax_state
 199 {
 200   /* Dummy frag used by listing code.  */
 201   rs_dummy = 0,
 202
 203   /* Variable chars to be repeated fr_offset times.
 204      Fr_symbol unused. Used with fr_offset == 0 for a
 205      constant length frag.  */
 206   rs_fill,
 207
 208   /* Align.  The fr_offset field holds the power of 2 to which to
 209      align.  The fr_var field holds the number of characters in the
 210      fill pattern.  The fr_subtype field holds the maximum number of
 211      bytes to skip when aligning, or 0 if there is no maximum.  */
 212   rs_align,
 213
 214   /* Align code.  The fr_offset field holds the power of 2 to which
 215      to align.  This type is only generated by machine specific
 216      code, which is normally responsible for handling the fill
 217      pattern.  The fr_subtype field holds the maximum number of
 218      bytes to skip when aligning, or 0 if there is no maximum.  */
 219   rs_align_code,
 220
 221   /* Test for alignment.  Like rs_align, but used by several targets
 222      to warn if data is not properly aligned.  */
 223   rs_align_test,
 224
 225   /* Org: Fr_offset, fr_symbol: address. 1 variable char: fill
 226      character.  */
 227   rs_org,
 228
 229 #ifndef WORKING_DOT_WORD
 230   /* JF: gunpoint */
 231   rs_broken_word,
 232 #endif
 233
 234   /* Machine specific relaxable (or similarly alterable) instruction.  */
 235   rs_machine_dependent,
 236
 237   /* .space directive with expression operand that needs to be computed
 238      later.  Similar to rs_org, but different.
 239      fr_symbol: operand
 240      1 variable char: fill character  */
 241   rs_space,
 242
 243   /* .nop directive with expression operand that needs to be computed
 244      later.  Similar to rs_space, but different.  It fills with no-op
 245      instructions.
 246      fr_symbol: operand
 247      1 constant byte: no-op fill control byte.  */
 248   rs_space_nop,
 249
 250   /* Similar to rs_fill.  It is used to implement .nops directive.
 251      When listings are enabled, fr_opcode gets the buffer assigned, once
 252      that's available.  */
 253   rs_fill_nop,
 254
 255   /* A DWARF leb128 value; only ELF uses this.  The subtype is 0 for
 256      unsigned, 1 for signed.  */
 257   rs_leb128,
 258
 259   /* Exception frame information which we may be able to optimize.  */
 260   rs_cfa,
 261
 262   /* Cross-fragment dwarf2 line number optimization.  */
 263   rs_dwarf2dbg,
 264
 265   /* SFrame FRE type selection optimization.  */
 266   rs_sframe,
 267
 268   /* CodeView compressed integer.  */
 269   rs_cv_comp,
 270 };
 271
 272 typedef enum _relax_state relax_stateT;
 273
 274 /* This type is used in prototypes, so it can't be a type that will be
 275    widened for argument passing.  */
 276 typedef unsigned int relax_substateT;
 277
 278 /* Enough bits for address, but still an integer type.
 279    Could be a problem, cross-assembling for 64-bit machines.  */
 280 typedef addressT relax_addressT;
 281
 282 struct relax_type
 283 {
 284   /* Forward reach. Signed number. > 0.  */
 285   offsetT rlx_forward;
 286   /* Backward reach. Signed number. < 0.  */
 287   offsetT rlx_backward;
 288
 289   /* Bytes length of this address.  */
 290   unsigned char rlx_length;
 291
 292   /* Next longer relax-state.  0 means there is no 'next' relax-state.  */
 293   relax_substateT rlx_more;
 294 };
 295
 296 typedef struct relax_type relax_typeS;
 297 \f
 298 /* main program "as.c" (command arguments etc).  */
 299
 300 COMMON unsigned char flag_no_comments; /* -f */
 301 COMMON unsigned char flag_debug; /* -D */
 302 COMMON unsigned char flag_signed_overflow_ok; /* -J */
 303 #ifndef WORKING_DOT_WORD
 304 COMMON unsigned char flag_warn_displacement; /* -K */
 305 #endif
 306
 307 /* True if local symbols should be retained.  */
 308 COMMON int flag_keep_locals; /* -L */
 309
 310 /* True if we are assembling in MRI mode.  */
 311 COMMON int flag_mri;
 312
 313 /* True if alternate macro mode is in effect.  */
 314 COMMON bool flag_macro_alternate;
 315
 316 /* Should the data section be made read-only and appended to the text
 317    section?  */
 318 COMMON unsigned char flag_readonly_data_in_text; /* -R */
 319
 320 /* True if warnings should be inhibited.  */
 321 COMMON int flag_no_warnings; /* -W, --no-warn */
 322
 323 /* True if warnings count as errors.  */
 324 COMMON int flag_fatal_warnings; /* --fatal-warnings */
 325
 326 /* True if we should attempt to generate output even if non-fatal errors
 327    are detected.  */
 328 COMMON unsigned char flag_always_generate_output; /* -Z */
 329
 330 enum synth_cfi_type
 331 {
 332   SYNTH_CFI_NONE = 0,
 333   SYNTH_CFI_EXPERIMENTAL,
 334 };
 335
 336 COMMON enum synth_cfi_type flag_synth_cfi;
 337
 338 /* This is true if the assembler should output time and space usage.  */
 339 COMMON unsigned char flag_print_statistics;
 340
 341 /* True if local absolute symbols are to be stripped.  */
 342 COMMON int flag_strip_local_absolute;
 343
 344 /* True if we should generate a traditional format object file.  */
 345 COMMON int flag_traditional_format;
 346
 347 /* Type of compressed debug sections we should generate.   */
 348 COMMON enum compressed_debug_section_type flag_compress_debug;
 349
 350 /* TRUE if .note.GNU-stack section with SEC_CODE should be created */
 351 COMMON int flag_execstack;
 352
 353 /* TRUE if .note.GNU-stack section with SEC_CODE should be created */
 354 COMMON int flag_noexecstack;
 355
 356 /* TRUE if .sframe section should be created.  */
 357 COMMON int flag_gen_sframe;
 358
 359 /* name of emitted object file */
 360 COMMON const char *out_file_name;
 361
 362 /* Keep the output file.  */
 363 COMMON int keep_it;
 364
 365 /* name of file defining extensions to the basic instruction set */
 366 COMMON char *insttbl_file_name;
 367
 368 /* TRUE if we need a second pass.  */
 369 COMMON int need_pass_2;
 370
 371 /* TRUE if we should do no relaxing, and
 372    leave lots of padding.  */
 373 COMMON int linkrelax;
 374
 375 COMMON int do_not_pad_sections_to_alignment;
 376
 377 enum multibyte_input_handling
 378 {
 379   multibyte_allow = 0,
 380   multibyte_warn,
 381   multibyte_warn_syms
 382 };
 383 COMMON enum multibyte_input_handling multibyte_handling;
 384
 385 /* TRUE if we should produce a listing.  */
 386 extern int listing;
 387
 388 /* Type of debugging information we should generate.  We currently support
 389    stabs, ECOFF, and DWARF2.
 390
 391    NOTE!  This means debug information about the assembly source code itself
 392    and _not_ about possible debug information from a high-level language.
 393    This is especially relevant to DWARF2, since the compiler may emit line
 394    number directives that the assembler resolves.  */
 395
 396 enum debug_info_type
 397 {
 398   DEBUG_UNSPECIFIED,
 399   DEBUG_NONE,
 400   DEBUG_STABS,
 401   DEBUG_ECOFF,
 402   DEBUG_DWARF,
 403   DEBUG_DWARF2,
 404   DEBUG_CODEVIEW
 405 };
 406
 407 extern enum debug_info_type debug_type;
 408 extern int use_gnu_debug_info_extensions;
 409 COMMON bool flag_dwarf_sections;
 410 extern int flag_dwarf_cie_version;
 411 extern unsigned int dwarf_level;
 412 \f
 413 /* Maximum level of macro nesting.  */
 414 extern int max_macro_nest;
 415
 416 /* Verbosity level.  */
 417 extern int verbose;
 418
 419 struct obstack;
 420
 421 /* Obstack chunk size.  Keep large for efficient space use, make small to
 422    increase malloc calls for monitoring memory allocation.  */
 423 extern int chunksize;
 424
 425 struct _pseudo_type
 426 {
 427   /* assembler mnemonic, lower case, no '.' */
 428   const char *poc_name;
 429   /* Do the work */
 430   void (*poc_handler) (int);
 431   /* Value to pass to handler */
 432   int poc_val;
 433 };
 434
 435 typedef struct _pseudo_type pseudo_typeS;
 436
 437 #if (__GNUC__ >= 2) && !defined(VMS)
 438 /* for use with -Wformat */
 439
 440 #if __GNUC__ == 2 && __GNUC_MINOR__ < 6
 441 /* Support for double underscores in attribute names was added in gcc
 442    2.6, so avoid them if we are using an earlier version.  */
 443 #define __printf__ printf
 444 #define __format__ format
 445 #endif
 446
 447 #define PRINTF_LIKE(FCN) \
 448   void FCN (const char *format, ...) \
 449     __attribute__ ((__format__ (__printf__, 1, 2)))
 450 #define PRINTF_WHERE_LIKE(FCN) \
 451   void FCN (const char *file, unsigned int line, const char *format, ...) \
 452     __attribute__ ((__format__ (__printf__, 3, 4)))
 453 #define PRINTF_INDENT_LIKE(FCN) \
 454   void FCN (const char *file, unsigned int line, unsigned int indent, \
 455             const char *format, ...) \
 456     __attribute__ ((__format__ (__printf__, 4, 5)))
 457
 458 #else /* __GNUC__ < 2 || defined(VMS) */
 459
 460 #define PRINTF_LIKE(FCN)        void FCN (const char *format, ...)
 461 #define PRINTF_WHERE_LIKE(FCN)  void FCN (const char *file, \
 462                                           unsigned int line, \
 463                                           const char *format, ...)
 464 #define PRINTF_INDENT_LIKE(FCN) void FCN (const char *file, \
 465                                           unsigned int line, \
 466                                           unsigned int indent, \
 467                                           const char *format, ...)
 468
 469 #endif /* __GNUC__ < 2 || defined(VMS) */
 470
 471 PRINTF_LIKE (as_bad);
 472 PRINTF_LIKE (as_fatal) ATTRIBUTE_NORETURN;
 473 PRINTF_LIKE (as_tsktsk);
 474 PRINTF_LIKE (as_warn);
 475 PRINTF_WHERE_LIKE (as_bad_where);
 476 PRINTF_WHERE_LIKE (as_warn_where);
 477 PRINTF_INDENT_LIKE (as_info_where);
 478
 479 void   as_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
 480 void   signal_init (void);
 481 int    had_errors (void);
 482 int    had_warnings (void);
 483 void   as_warn_value_out_of_range (const char *, offsetT, offsetT, offsetT,
 484                                    const char *, unsigned);
 485 void   as_bad_value_out_of_range (const char *, offsetT, offsetT, offsetT,
 486                                   const char *, unsigned);
 487 void   print_version_id (void);
 488 char * app_push (void);
 489
 490 /* Number of littlenums required to hold an extended precision number.  */
 491 #define MAX_LITTLENUMS 6
 492
 493 char * atof_ieee (char *, int, LITTLENUM_TYPE *);
 494 char * atof_ieee_detail (char *, int, int, LITTLENUM_TYPE *, FLONUM_TYPE *);
 495 const char * ieee_md_atof (int, char *, int *, bool);
 496 const char * vax_md_atof (int, char *, int *);
 497 char * input_scrub_include_file (const char *, char *);
 498 void   input_scrub_insert_line (const char *);
 499 void   input_scrub_insert_file (char *);
 500 char * input_scrub_new_file (const char *);
 501 char * input_scrub_next_buffer (char **bufp);
 502 size_t do_scrub_chars (size_t (*get) (char *, size_t), char *, size_t, bool);
 503 size_t do_scrub_pending (void);
 504 bool   scan_for_multibyte_characters (const unsigned char *, const unsigned char *, bool);
 505 int    gen_to_words (LITTLENUM_TYPE *, int, long);
 506 int    had_err (void);
 507 int    ignore_input (void);
 508 void   cond_finish_check (int);
 509 void   cond_exit_macro (int);
 510 int    seen_at_least_1_file (void);
 511 void   app_pop (char *);
 512 void   as_report_context (void);
 513 const char * as_where (unsigned int *);
 514 const char * as_where_top (unsigned int *);
 515 const char * as_where_physical (unsigned int *);
 516 void   bump_line_counters (void);
 517 void   do_scrub_begin (int);
 518 void   input_scrub_begin (void);
 519 void   input_scrub_close (void);
 520 void   input_scrub_end (void);
 521 void   new_logical_line (const char *, int);
 522 void   new_logical_line_flags (const char *, int, int);
 523 void   subsegs_begin (void);
 524 void   subsegs_end (struct obstack **);
 525 void   subseg_change (segT, int);
 526 segT   subseg_new (const char *, subsegT);
 527 segT   subseg_force_new (const char *, subsegT);
 528 void   subseg_set (segT, subsegT);
 529 int    subseg_text_p (segT);
 530 int    seg_not_empty_p (segT);
 531 void   start_dependencies (char *);
 532 void   register_dependency (const char *);
 533 void   print_dependencies (void);
 534 segT   subseg_get (const char *, int);
 535
 536 char *remap_debug_filename (const char *);
 537 void add_debug_prefix_map (const char *);
 538
 539 static inline char *
 540 xmemdup0 (const char *in, size_t len)
 541 {
 542   return xmemdup (in, len, len + 1);
 543 }
 544
 545 struct expressionS;
 546 struct fix;
 547 typedef struct symbol symbolS;
 548 typedef struct frag fragS;
 549
 550 /* literal.c */
 551 valueT add_to_literal_pool (symbolS *, valueT, segT, int);
 552
 553 int check_eh_frame (struct expressionS *, unsigned int *);
 554 int eh_frame_estimate_size_before_relax (fragS *);
 555 int eh_frame_relax_frag (fragS *);
 556 void eh_frame_convert_frag (fragS *);
 557 void eh_begin (void);
 558 int generic_force_reloc (struct fix *);
 559
 560 /* SFrame FRE optimization.  */
 561 int sframe_estimate_size_before_relax (fragS *);
 562 int sframe_relax_frag (fragS *);
 563 void sframe_convert_frag (fragS *);
 564
 565 #include "expr.h"               /* Before targ-*.h */
 566
 567 /* This one starts the chain of target dependent headers.  */
 568 #include "targ-env.h"
 569
 570 #ifdef OBJ_MAYBE_ELF
 571 #define IS_ELF (OUTPUT_FLAVOR == bfd_target_elf_flavour)
 572 #else
 573 #ifdef OBJ_ELF
 574 #define IS_ELF 1
 575 #else
 576 #define IS_ELF 0
 577 #endif
 578 #endif
 579
 580 #include "write.h"
 581 #include "frags.h"
 582 #include "read.h"
 583 #include "symbols.h"
 584 #include "hashtab.h"
 585 #include "hash.h"
 586
 587 #include "tc.h"
 588 #include "obj.h"
 589
 590 #ifdef USE_EMULATIONS
 591 #include "emul.h"
 592 #endif
 593 #include "listing.h"
 594
 595 #ifdef H_TICK_HEX
 596 extern int enable_h_tick_hex;
 597 #endif
 598
 599 #ifdef TC_M68K
 600 /* True if we are assembling in m68k MRI mode.  */
 601 COMMON int flag_m68k_mri;
 602 #define DOLLAR_AMBIGU flag_m68k_mri
 603 #else
 604 #define flag_m68k_mri 0
 605 #endif
 606
 607 #ifndef TC_STRING_ESCAPES
 608 #define TC_STRING_ESCAPES 1
 609 #endif
 610
 611 #ifdef WARN_COMMENTS
 612 COMMON int           warn_comment;
 613 COMMON unsigned int  found_comment;
 614 COMMON const char *        found_comment_file;
 615 #endif
 616
 617 #if defined OBJ_ELF || defined OBJ_MAYBE_ELF
 618 /* If .size directive failure should be error or warning.  */
 619 COMMON int flag_allow_nonconst_size;
 620
 621 /* If we should generate ELF common symbols with the STT_COMMON type.  */
 622 extern int flag_use_elf_stt_common;
 623
 624 /* TRUE iff GNU Build attribute notes should
 625    be generated if none are in the input files.  */
 626 extern bool flag_generate_build_notes;
 627
 628 /* If section name substitution sequences should be honored */
 629 COMMON int flag_sectname_subst;
 630 #endif
 631
 632 #ifndef DOLLAR_AMBIGU
 633 #define DOLLAR_AMBIGU 0
 634 #endif
 635
 636 #ifndef NUMBERS_WITH_SUFFIX
 637 #define NUMBERS_WITH_SUFFIX 0
 638 #endif
 639
 640 #ifndef LOCAL_LABELS_DOLLAR
 641 #define LOCAL_LABELS_DOLLAR 0
 642 #endif
 643
 644 #ifndef LOCAL_LABELS_FB
 645 #define LOCAL_LABELS_FB 0
 646 #endif
 647
 648 #ifndef LABELS_WITHOUT_COLONS
 649 #define LABELS_WITHOUT_COLONS 0
 650 #endif
 651
 652 #ifndef NO_PSEUDO_DOT
 653 #define NO_PSEUDO_DOT 0
 654 #endif
 655
 656 #ifndef TEXT_SECTION_NAME
 657 #define TEXT_SECTION_NAME       ".text"
 658 #define DATA_SECTION_NAME       ".data"
 659 #define BSS_SECTION_NAME        ".bss"
 660 #endif
 661
 662 #ifndef OCTETS_PER_BYTE_POWER
 663 #define OCTETS_PER_BYTE_POWER 0
 664 #endif
 665 #ifndef OCTETS_PER_BYTE
 666 #define OCTETS_PER_BYTE (1<<OCTETS_PER_BYTE_POWER)
 667 #endif
 668 #if OCTETS_PER_BYTE != (1<<OCTETS_PER_BYTE_POWER)
 669  #error "Octets per byte conflicts with its power-of-two definition!"
 670 #endif
 671
 672 #if defined OBJ_ELF || defined OBJ_MAYBE_ELF
 673 /* On ELF platforms, mark debug sections with SEC_ELF_OCTETS */
 674 #define SEC_OCTETS (IS_ELF ? SEC_ELF_OCTETS : 0)
 675 #else
 676 #define SEC_OCTETS 0
 677 #endif
 678
 679 #define POISON_BFD_BOOLEAN 1
 680
 681 #endif /* GAS */